Mossberg's SSi-One isn't just a rifle, it's also a shotgun.
"SSi" stands for "single shot interchangeable."The SSi-One's barrels include several caliber options
and a 12 gauge slug barrel. The rifle/shotgun has a lever-opening,break-action design, is drilled and tapped for scopes
and has a fluted, cut-checkered black walnut stock.The SSi-One Sporter is available in .223 Rem., .243 Win.,
.270 Win., .308 Rem. And .30-'06 Sprg.The SSi-One Varmint has a bull barrel and is chambered
for. .22-250 Rem.The third SSi-One has a 12 gauge bull barrel.